Rotating Equipment

Rotating Equipment Products & Services

Puffer-Sweiven Rotating Equipment (formerly Bullen Pump, Inc.) specializes in helping customers meet the challenge of minimizing total cost of ownership without jeopardizing process continuity or product quality. We realize that application solutions require more than just products; they require experienced, factory-trained product application specialists who know how to package components into the finest system possible. As your provider of pumps, blowers, vacuums, and compressors, Puffer-Sweiven applies the latest technology to achieve the ultimate balance of cost and performance, to provide you with the right solution.

Puffer-Sweiven Rotating Equipment strives for an outstanding customer experience offering project management, 24/7 service support from a team with years of industry experience. Our modern, fully equipped, 140,000 square-foot design, fabrication and repair facility features a 25-ton crane, paint booth, and test capabilities to ensure success for your challenging jobs. We are factory trained and completely capable of repairing or rebuilding your equipment to original manufacturer’s specifications.

Whether your company is in the oil and gas, chemical, petrochemical, water, industrial or municipal wastewater, food, power, pulp & paper, or semi-conductor industry, Puffer-Sweiven Rotating Equipment provides the design, solution, equipment, applications experience, and after-sale service and support to meet and exceed your expectations.

Positive Displacement Pumps

  • Progressing Cavity
  • Gear
  • Rotary Lobe
  • Vane
  • Diaphragm
  • Peristaltic (Hose)
  • Reciprocating

Centrifugal Process Pumps

  • Clean Fluids
    • Pitot Tube
    • Piston and Plunger
    • ANSI
    • API 610 Process
    • End Suction
    • Sealless Magnetically Driven
    • Splitcase
    • Vertical Turbine
    • Axial & Mixed Flow
  • Solids Handling and Slurries
    • Heavy Duty and Rubber Lined
    • Recessed Impeller
    • Screw Centrifugal
    • Non-Clog End Suction
    • Self-Primer
    • Submersible

Compressors, Air Treatment, Blowers, Vacuum

  • Compressors
    • Rotary Screw
    • Centrifugal
  • Air Treatment
    • Filtration
    • Nitrogen/Air
    • Breathing Air
    • Desiccant Dryers
  • Blowers
    • Screw
    • Lobe
    • Multi-stage Centrifugal
  • Vacuum
    • Liquid Ring
    • Rotary Vane
    • Rotary Screw

Mixing and Steam Process

  • Eductors
  • Ejectors
  • Static Mixers
  • Scrubbers
  • Desuperheaters

Solids Reduction Grinders

Packaged Solutions (skids, shelters and enclosures)

  • Build to Design Packages
  • Pump Skids
  • Chemical Injection Skids
  • Metering Skids
  • Pressure Boosting Skids
  • Pressure Protection Skids
  • Mixing/Blending Skids
  • Produced Water Skids
  • Compressor/Blower/Vacuum Skids


  • Service
    • Project Management
    • Installation Supervision
    • Start-up Support
    • Site Audits
    • Vibration Monitoring
  • Repair
    • Tear-down & Root Cause Analysis
    • Rebuilds of pumps, compressor, blowers, vacuum
    • Balancing
  • Testing
    • Certified Performance & Hydro Testing
    • Witness Testing